Saturday, November 14, 2009
Challenging Hand Washing and Sanitizer
Usually, nobody would think of not washing hands. But now there's someone who thinks we can go back to the 19th century and not wash our hands. This picture displays the effectiveness of washing hands. Section A is without washing hands, sector B is with washing hands and sector C is with alcohol. For the article, click here.
Posted by Owner and Doggy at 02:14